[dpdk-dev,v2,4/7] i40e: function implement in i40e for flow director flush and info get
Commit Message
support the API ops defined in ethdev, the behavior according to each command:
RTE_CMD_FDIR_FLUSH : clear all FDIR filter rules.
RTE_CMD_FDIR_INFO_GET: get FDIR information.
Signed-off-by: jingjing.wu <jingjing.wu@intel.com>
Reviewed-by: Helin Zhang <helin.zhang@intel.com>
Reviewed-by: Jing Chen <jing.d.chen@intel.com>
Reviewed-by: Jijiang Liu <jijiang.liu@intel.com>
---
lib/librte_pmd_i40e/i40e_ethdev.c | 8 +++++
lib/librte_pmd_i40e/i40e_ethdev.h | 3 ++
lib/librte_pmd_i40e/i40e_fdir.c | 67 +++++++++++++++++++++++++++++++++++++++
lib/librte_pmd_i40e/rte_i40e.h | 14 ++++++++
4 files changed, 92 insertions(+)
@@ -4221,6 +4221,14 @@ i40e_rx_classification_filter_ctl(struct rte_eth_dev *dev,
&fdir_entry->action,
FALSE);
break;
+ case RTE_CMD_FDIR_INFO_GET:
+ if (args == NULL)
+ return I40E_ERR_PARAM;
+ i40e_fdir_info_get(dev, (struct rte_i40e_fdir_info *)args);
+ break;
+ case RTE_CMD_FDIR_FLUSH:
+ ret = i40e_fdir_flush(pf);
+ break;
default:
PMD_DRV_LOG(ERR, "unknown command type %u\n", cmd);
ret = I40E_ERR_PARAM;
@@ -334,11 +334,14 @@ i40e_fdir_setup_rx_resources(struct i40e_pf *pf,
unsigned int socket_id);
int i40e_fdir_setup(struct i40e_pf *pf);
void i40e_fdir_teardown(struct i40e_pf *pf);
+int i40e_fdir_flush(struct i40e_pf *pf);
int i40e_fdir_filter_programming(struct i40e_pf *pf,
uint16_t soft_id,
struct rte_i40e_fdir_input *fdir_filter,
struct rte_i40e_fdir_action *fdir_action,
bool add);
+void i40e_fdir_info_get(struct rte_eth_dev *dev,
+ struct rte_i40e_fdir_info *fdir);
/* I40E_DEV_PRIVATE_TO */
#define I40E_DEV_PRIVATE_TO_PF(adapter) \
@@ -51,6 +51,9 @@
/* Wait count and inteval for fdir filter programming */
#define I40E_FDIR_WAIT_COUNT 10
#define I40E_FDIR_WAIT_INTERVAL_US 1000
+/* Wait count and inteval for fdir filter flush */
+#define I40E_FDIR_FLUSH_RETRY 50
+#define I40E_FDIR_FLUSH_INTERVAL_MS 5
#define I40E_COUNTER_PF 2
/* Statistic counter index for one pf */
@@ -217,6 +220,45 @@ i40e_fdir_teardown(struct i40e_pf *pf)
return;
}
+/*
+ * i40e_fdir_flush - clear all filters of Flow Director
+ * @pf: board private structure
+ */
+int
+i40e_fdir_flush(struct i40e_pf *pf)
+{
+ struct i40e_hw *hw = I40E_PF_TO_HW(pf);
+ uint32_t reg;
+ uint16_t guarant_cnt, best_cnt;
+ int i;
+
+ I40E_WRITE_REG(hw, I40E_PFQF_CTL_1, I40E_PFQF_CTL_1_CLEARFDTABLE_MASK);
+ I40E_WRITE_FLUSH(hw);
+
+ for (i = 0; i < I40E_FDIR_FLUSH_RETRY; i++) {
+ rte_delay_ms(I40E_FDIR_FLUSH_INTERVAL_MS);
+ reg = I40E_READ_REG(hw, I40E_PFQF_CTL_1);
+ if (!(reg & I40E_PFQF_CTL_1_CLEARFDTABLE_MASK))
+ break;
+ }
+ if (i >= I40E_FDIR_FLUSH_RETRY) {
+ PMD_DRV_LOG(ERR, "FD table did not flush, may need more time\n");
+ return I40E_ERR_TIMEOUT;
+ }
+ guarant_cnt = (uint16_t)((I40E_READ_REG(hw, I40E_PFQF_FDSTAT) &
+ I40E_PFQF_FDSTAT_GUARANT_CNT_MASK) >>
+ I40E_PFQF_FDSTAT_GUARANT_CNT_SHIFT);
+ best_cnt = (uint16_t)((I40E_READ_REG(hw, I40E_PFQF_FDSTAT) &
+ I40E_PFQF_FDSTAT_BEST_CNT_MASK) >>
+ I40E_PFQF_FDSTAT_BEST_CNT_SHIFT);
+ if (guarant_cnt != 0 || best_cnt != 0) {
+ PMD_DRV_LOG(ERR, "Failed to flush FD table\n");
+ return I40E_ERR_CONFIG;
+ } else
+ PMD_DRV_LOG(INFO, "FD table Flush success\n");
+ return I40E_SUCCESS;
+}
+
/* Construct the tx flags */
static inline uint64_t
i40e_build_ctob(uint32_t td_cmd,
@@ -431,3 +473,28 @@ i40e_fdir_filter_programming(struct i40e_pf *pf,
}
return I40E_SUCCESS;
}
+
+/*
+ * i40e_fdir_info_get - get information of Flow Director
+ * @dev: ethernet device to add filter to
+ * @fdir: a pointer to a structure of type *rte_eth_dev_fdir* to be filled with
+ * the flow director information.
+ **/
+void
+i40e_fdir_info_get(struct rte_eth_dev *dev, struct rte_i40e_fdir_info *fdir)
+{
+ struct i40e_hw *hw = I40E_DEV_PRIVATE_TO_HW(dev->data->dev_private);
+ uint32_t pfqf_ctl;
+
+ pfqf_ctl = I40E_READ_REG(hw, I40E_PFQF_CTL_0);
+ fdir->mode = pfqf_ctl & I40E_PFQF_CTL_0_FD_ENA_MASK ? 1 : 0;
+ fdir->guarant_spc = (uint16_t)hw->func_caps.fd_filters_guaranteed;
+ fdir->guarant_cnt = (uint16_t)((I40E_READ_REG(hw, I40E_PFQF_FDSTAT) &
+ I40E_PFQF_FDSTAT_GUARANT_CNT_MASK) >>
+ I40E_PFQF_FDSTAT_GUARANT_CNT_SHIFT);
+ fdir->best_spc = (uint16_t)hw->func_caps.fd_filters_best_effort;
+ fdir->best_cnt = (uint16_t)((I40E_READ_REG(hw, I40E_PFQF_FDSTAT) &
+ I40E_PFQF_FDSTAT_BEST_CNT_MASK) >>
+ I40E_PFQF_FDSTAT_BEST_CNT_SHIFT);
+ return;
+}
@@ -104,6 +104,20 @@ struct rte_i40e_fdir_entry {
struct rte_i40e_fdir_action action; /**< action taken when match */
};
+/**
+ * For commands:
+ * 'RTE_CMD_FDIR_INFO_GET'
+ *
+ * A structure used for user to get the information of fdir feature.
+ */
+struct rte_i40e_fdir_info {
+ uint8_t mode; /**< 0 is disable, 1 is enable. */
+ uint16_t guarant_spc; /**< guaranteed spaces.*/
+ uint16_t guarant_cnt; /**< Number of filters in guaranteed spaces. */
+ uint16_t best_spc; /**< best effort spaces.*/
+ uint16_t best_cnt; /**< Number of filters in best effort spaces. */
+};
+
#ifdef __cplusplus
}
#endif